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)(11,12)(13,15)(14,16)(18,22)(20,23)(25,26)(27,32)(28,31)(29,30)(2,5)(6,7)(9,11,14,13)(10,15,16,12)(17,18)(19,23)(20,24)(21,22)(26,30)(28,32)(1,3)(2,6)(4,8)(5,7)(9,12,14,15)(10,11,16,13)(17,19,21,24)(18,23,22,20)(25,26,29,30)(27,28,31,32)(1,3)(2,7)(4,8)(5,6)(9,12)(10,11)(13,16)(14,15)(17,19)(18,23)(20,22)(21,24)(25,27)(26,28)(29,31)(30,32) involution — undirected(1,2)(3,6)(4,5)(7,8)(9,13,14,11)(10,15,16,12)(17,20,21,23)(18,24,22,19)(25,28)(26,31)(27,30)(29,32)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.