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