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