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