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