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