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