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