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