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