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