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