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