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