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