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