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