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)(11,13)(12,14)(15,16)(17,18,22,25,23,26,31,32)(19,20,28,30,21,24,27,29)(1,3,5,8)(2,6,4,7)(9,10)(11,15)(12,14)(13,16)(17,19)(18,24)(20,26)(21,23)(22,28)(25,29)(27,31)(30,32)(9,11)(10,13)(12,16)(14,15)(17,20,23,24)(18,19,26,21)(22,29,31,30)(25,27,32,28)(1,2,5,4)(3,7,8,6)(11,16)(13,15)(17,21,23,19)(18,24,26,20)(22,27,31,28)(25,29,32,30)(1,4,5,2)(3,7,8,6)(10,14)(13,15)(17,22,23,31)(18,25,26,32)(19,27,21,28)(20,29,24,30)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.