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