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