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