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