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