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