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