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