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