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