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