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