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