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