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