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)(14,18)(15,21)(16,23)(26,28)(29,30,34,32)(31,36,39,35)(33,37,42,40)(38,44,41,43)(7,11)(10,12)(14,18)(15,21)(20,25)(22,27)(29,31,34,39)(30,35,32,36)(33,38,42,41)(37,43,40,44)(5,7)(6,10)(8,12)(9,11)(13,14,17,18)(15,19,21,24)(16,20,23,25)(22,26,27,28)(29,31)(30,36)(32,35)(33,41)(34,39)(37,43)(38,42)(40,44)(1,2)(3,4)(13,15)(14,19)(16,22)(17,21)(18,24)(20,26)(23,27)(25,28)(29,32,34,30)(31,35,39,36)(33,37,42,40)(38,44,41,43)(5,8,9,6)(7,12,11,10)(13,16)(14,20)(15,22)(17,23)(18,25)(19,26)(21,27)(24,28)(29,33)(30,37)(31,38)(32,40)(34,42)(35,43)(36,44)(39,41)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.