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