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