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