What do you suggest? Perhaps hang a sign on the cat saying, “Off limits to Coyotes”. I take it that you don’t live in the country.
If you’re in a coyote zone don’t let your cats be outdoors. I don’t live in the country but I do live a pro-QB pass away from a dry river, part of what locals call the “coyote highway”, and we keep our cats indoors. Indoor cats live longer, healthier, less expensive lives.