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