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)(13,14,17,21)(15,23,27,19)(16,20,30,38)(18,22,32,40)(24,35,26,33)(25,36,28,34)(29,37,31,39)(41,44,42,43)(5,7,9,8)(6,10,12,11)(13,15,17,27)(14,19,21,23)(16,28,30,25)(18,24,32,26)(20,36,38,34)(22,33,40,35)(29,42,31,41)(37,44,39,43)(2,4)(5,7,9,8)(6,11,12,10)(15,24)(16,29)(18,32)(19,33)(20,37)(22,40)(23,35)(26,27)(30,31)(38,39)(41,42)(43,44)(5,7,9,8)(6,11,12,10)(13,16)(14,20)(15,25)(17,30)(18,29)(19,34)(21,38)(22,37)(23,36)(24,41)(26,42)(27,28)(31,32)(33,43)(35,44)(39,40)(5,8,9,7)(6,10,12,11)(15,26)(16,29)(18,32)(19,35)(20,37)(22,40)(23,33)(24,27)(25,28)(30,31)(34,36)(38,39)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.