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