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