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