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