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