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