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