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)(13,14,20,25)(15,26,16,22)(17,23,33,42)(18,24,19,34)(21,30,37,28)(27,39,29,38)(31,36,43,44)(32,40,35,41)(5,6)(7,11)(8,10)(9,12)(13,15,20,16)(14,21,25,37)(17,31,33,43)(18,28,19,30)(22,34,26,24)(23,39,42,38)(27,32,29,35)(36,41,44,40)(2,4)(5,7,8,12)(6,9,10,11)(13,16,20,15)(14,22,25,26)(17,27,33,29)(18,28,19,30)(21,34,37,24)(23,39,42,38)(31,32,43,35)(36,40,44,41)(7,12)(9,11)(13,17,20,33)(14,23,25,42)(15,27,16,29)(18,32,19,35)(21,36,37,44)(22,38,26,39)(24,40,34,41)(28,31,30,43)(6,10)(9,11)(13,18,20,19)(14,24,25,34)(15,28,16,30)(17,32,33,35)(21,22,37,26)(23,40,42,41)(27,31,29,43)(36,38,44,39)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.