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