Whisk 2 cups coconut milk, cocoa powder, maple syrup, vanilla extract, and salt together in a bowl; fold in chia seeds. Transfer mixture to a large jar with a lid; allow to rest for 5 minutes. Alternate gently rotating jar (30 seconds) and resting (4 minutes) for another 20 minutes.
Refrigerate chia mixture, 8 hours to overnight.
Transfer chia pudding to a bowl. Mix shredded coconut and coconut sugar together in a bowl. Drizzle 1 tablespoon coconut milk over pudding; top with whipped cream and shredded coconut mixture.