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