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