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