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