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