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