One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(13,14,19,24)(15,25,16,27)(17,21,20,26)(18,22,28,23)(5,6)(7,10)(8,9)(11,12)(13,15,18,26,19,16,28,21)(14,17,23,25,24,20,22,27)(2,4)(6,9)(10,12)(13,16,28,26,19,15,18,21)(14,20,22,25,24,17,23,27)(5,7)(6,10)(8,11)(9,12)(13,17,19,20)(14,21,24,26)(15,22,16,23)(18,25,28,27)(7,11)(10,12)(13,18,19,28)(14,22,24,23)(15,26,16,21)(17,27,20,25)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.