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