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