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