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