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