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