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