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