"Catch me some other time" can be expressed in various ways, depending on the context and the level of formality. One alternative is "Let's reschedule" which implies that the person is willing to meet, but not at the present moment. Another option is "Can we meet another time?" which is a polite question that can be accompanied by a suggested alternative time. A more colloquial way to express this concept could be "Hit me up later" which is a casual and informal way to say that the person is busy now but could have time later. Overall, there are several ways to convey the idea of catching up at another time, and the appropriate choice depends on the situation and the tone of the conversation.