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