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