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