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