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