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