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