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