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