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