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