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