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)(13,14,17,21)(15,23,25,19)(16,27,29,20)(18,22,30,34)(24,35,37,31)(26,32,39,36)(28,40,41,33)(38,42,44,43)(5,7,10,6)(8,12,9,11)(15,24)(16,28)(18,30)(19,31)(20,33)(22,34)(23,35)(25,37)(26,39)(27,40)(29,41)(32,36)(2,4)(13,15,18,24,17,25,30,37)(14,19,22,31,21,23,34,35)(16,26,28,38,29,39,41,44)(20,32,33,42,27,36,40,43)(5,8,10,9)(6,11,7,12)(15,25)(19,23)(24,37)(26,39)(31,35)(32,36)(38,44)(42,43)(5,9,10,8)(6,11,7,12)(13,16,18,28,17,29,30,41)(14,20,22,33,21,27,34,40)(15,26,24,38,25,39,37,44)(19,32,31,42,23,36,35,43)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.