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