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