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