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