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