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