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)(17,18,21,22)(19,23,24,20)(25,26,29,31)(27,32,30,28)(2,3)(6,7)(9,10,12,13)(11,16,15,14)(18,22)(20,23)(27,30)(28,32)(1,2,5,3)(4,7,8,6)(9,10)(11,16)(12,13)(14,15)(17,19,21,24)(18,23,22,20)(25,27,29,30)(26,28,31,32)(1,3,5,2)(4,6,8,7)(9,10)(11,16)(12,13)(14,15)(17,20)(18,19)(21,23)(22,24)(1,4)(2,6)(3,7)(5,8)(9,11)(10,14)(12,15)(13,16)(17,19)(18,23)(20,22)(21,24)(25,28)(26,30)(27,31)(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.