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