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