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