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