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