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