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