Craft a digital art-style visual representation of a passage from the Book of Genesis, 42:5 to be specific. It portrays the sons of Israel journeying to purchase grain amidst others who have come for the same purpose. This act is driven by the occurrence of famine in Canaan. The scene should embody the vast, arid landscapes representative of Canaan during a famine, the pressing desperation and struggle for survival among the individuals present, and the prevailing aura of desolation.