One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,3)(6,9)(10,12)(13,14,17,21)(15,23,26,38)(16,28,30,43)(18,31,29,22)(19,32,33,25)(20,35,36,24)(27,42,41,39)(34,40,37,44)(1,3,4,2)(5,6)(7,10)(8,9)(11,12)(5,7,8,11)(6,10,9,12)(13,15,24,40,18,27,30,32,17,26,35,44,29,41,16,25)(14,19,28,39,22,34,36,38,21,33,43,42,31,37,20,23)(6,9)(10,12) 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.