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