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