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