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