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