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