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