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