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