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