Strange song, it's kinda hard. Les uses his whammy bar for the main riff and it's mostly improv.

Heavy part
G|-2---2-2---2---2-2-----------2---2-2------|
D|-2-4-2-2-4-2-4-2-2-4---------2-4-2-2-4----|
A|---4-----4---4-----4-----------4-----4----|
E|---------------------3-3--3-3-------------|

Verse (mostly improv, but I base it off this)
G|-------x-----------x----|
D|---------------------2w-|
A|------------------------|
E|-w0-2-3--0w--w0-2-3-----|