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