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