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