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