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