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