He means even though the Greasers and the Socs live very different lives the Greasers can still see the same sunset as the West Side rich kids (Socs) despite their physical and interior differences.
Answer:
He's saying that though they have their differences, they are still equal.
Explanation:
Even though the Socs are very different, when it comes down to it they are all human. They all enjoy the basics in life, no matter their lifestyle.