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