One vertex per element, one color per generator, with an edge from x to x·s.
(2,5,6,7)(9,10,13,15,14,11,12,16)(17,18)(19,26,29,23)(20,30)(21,24)(22,25)(27,31,28,32)(1,2)(3,7)(4,6)(5,8)(9,11,14,10)(12,15,13,16)(17,19,22,29)(18,23,25,26)(20,27,21,28)(24,31,30,32)(9,12,14,13)(10,15,11,16)(17,20,22,21)(18,24,25,30)(19,27,29,28)(23,31,26,32)(17,21,22,20)(18,24,25,30)(19,28,29,27)(23,31,26,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.