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