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