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