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