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