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