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