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