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