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