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