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