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