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