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