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