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