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