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