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