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