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