One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,8)(3,7,4,6)(9,10)(11,15)(12,16)(13,14)(17,18,21,24)(19,25,27,32)(20,28,29,23)(22,30,31,26)(1,3,5,4)(2,6,8,7)(10,14)(11,16)(19,26)(20,29)(22,25)(23,28)(27,30)(31,32)(1,3,5,4)(2,7,8,6)(9,11,15,10,13,16,12,14)(17,19,20,26,21,27,29,30)(18,22,23,25,24,31,28,32)(1,4,5,3)(2,7,8,6)(9,12,13,15)(10,11,14,16)(19,27)(22,31)(25,32)(26,30)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.