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