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