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