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