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