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