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)(13,14,18,19)(15,20,21,16)(17,22,25,26)(23,27,28,24)(30,34)(31,37)(32,40)(42,44)(7,11)(10,12)(14,19)(15,21)(17,25)(24,27)(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)(14,20)(16,19)(17,23)(18,21)(22,27)(24,26)(25,28)(29,30)(31,38)(32,36)(33,34)(35,37)(39,44)(40,41)(42,43)(1,2,3,4)(13,16,18,20)(14,21,19,15)(17,24,25,27)(22,28,26,23)(29,31)(30,35)(32,39)(33,37)(34,38)(36,42)(40,43)(41,44)(5,8,9,6)(7,12,11,10)(13,17)(14,22)(15,23)(16,24)(18,25)(19,26)(20,27)(21,28)(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.