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