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