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