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