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