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