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