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