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