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