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