How to convert zephyr-7b-beta / pytorch_model to .onnx format?

so guys i want to convert a pytorch model zephyr-7b-beta / pytorch_model-00001-of-00008.bin (Size of remote file: 1.89 GB) to onnx format and the .onnx model should then be converted to something called an Intermediate Representation (IR) format, which is typically in .xml or .bin format. The model which is compatible with OpenVINO.
how to do this?