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