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