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