Tune (high-to-low): D#, A#, F#, C#, G#, C#

()  : note held from last bar
#b# : bend on 1st# fret to tone of 2nd# fret
=#  : play tone of 5th fret by holding bend stated before the "="
pm  : palm mute

   Light distortion
D#|-------|------|-------|------|
A#|-------|------|-------|------|
F#|-------|------|-------|------|
C#|--6----|-(6)--|--4----|-(4)--|
G#|--5----|-(5)--|--5----|-(5)--|
C#|-------|------|-------|------| Play 4x

High notes on the main riff have the same rhythm as vocals

Main riff ver. 1
 Heavy distortion
|----------------------------|
|----------------------------|
|-----4b5=5=5=5-4-4b5b4-1b2--|
|--4-------------------------|
|--0-------------------------|
|--0-------------------------| Play once without vocals then again with

Main riff ver. 2
(just play 4 bended to 5 five times instead of four depending on vocals)
|------------------------------|
|------------------------------|
|-----4b5=5=5=5=5-4-4b5b4-1b2--|
|--4---------------------------|
|--0---------------------------|
|--0---------------------------|

Play main riff ver.1 and ver.2 couple times and then this fill in between:

|-----------------------|
|-----------------------|
|--(2)------------------|
|-------2--2-2-2-2-2-2--|
|-------2--2-2-2-2-2-2--|
|-------2--2-2-2-2-2-2--|
           pm.........
 (late)

Chorus (2 gtrs.):

|--------------|
|--------------|
|--------------|
|--4~----6~----|
|--5~----5~----|
|--------------|
|              |
| w/flanger    |
|--------------|
|--------------|
|--------13----|
|--12----------|
|--------------|
|--------------|
I think he uses a pitch shift pedal on the second note +1 octave

Then everything repeats for the most part.  Have fun!