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