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