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