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