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