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