The Sentence Diagram Generator will visually represent the sentence "Amani doesn’t enjoy the beach, but Kierra sure does" by breaking it down into its grammatical components.

1. Main Clause 1: Amani (subject) + doesn’t (auxiliary verb) + enjoy (main verb) + the beach (direct object).
2. Conjunction: but
3. Main Clause 2: Kierra (subject) + sure (adverb) + does (auxiliary verb).

The diagram will show the two main clauses connected by the conjunction "but," illustrating the relationship between the two independent clauses.