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