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