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