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