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