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