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