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