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