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