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