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