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