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