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