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