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