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