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