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