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