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