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