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