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