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