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