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