i know this is really skimpy, but too stoned to do the 
rest

the main thing is just

-------------------------| 
-------------------------| 
----------------5--5-----| 
---7----7----7--5--5-----| 
---7----7----7--3--3-----| 
---5----5----5-----------| 


BUTTTTT i think it actually sounds better if you make 
your amp dirty and play the open
of

A minor, C major  instead of the power chords

but nick actually plays it in bar chords, on drop D  
(as ive seen them numerous times in concert)