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