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