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