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