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