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