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