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)(15,20,25,34)(16,27,29,37)(17,22,18,31)(21,32,38,28)(24,39,40,44)(26,35,30,36)(33,41,43,42)(1,2)(3,4)(6,9)(10,12)(13,15,19,25)(14,20,23,34)(16,24,29,40)(17,30,18,26)(21,33,38,43)(22,36,31,35)(27,39,37,44)(28,42,32,41)(2,4)(13,16)(14,21)(15,24)(17,28)(18,32)(19,29)(20,33)(22,37)(23,38)(25,40)(26,41)(27,31)(30,42)(34,43)(35,39)(36,44) involution — undirected(1,2)(3,4)(5,7,8,11)(6,10,9,12)(15,25)(20,34)(24,40)(26,30)(33,43)(35,36)(39,44)(41,42)(2,4)(13,17,19,18)(14,22,23,31)(15,26,25,30)(16,28,29,32)(20,35,34,36)(21,37,38,27)(24,41,40,42)(33,39,43,44)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.