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