How does Golding change his diction right after the death of Simon?

Golding's diction changes to much gentler even spiritual language. This is juxtaposed with the harsh violent language of his murder. Simon, Golding's Christ figure, dies for these boys and the natural elements are gently reclaiming him.

Somewhere over the darkened curve of the world the sun and moon were pulling, and the film of water on the earth planet was held, bulging slightly on one side while the solid core turned. The great wave of the tide moved farther along the island and the water lifted. Softly, surrounded by a fringe of inquisitive bright creatures, itself a silver shape beneath the steadfast constellations, Simon’s dead body moved out toward the open sea. Ch 9