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