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