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