There are many ways from an artistic expression point of view so you may need to be more specific if you don't like what forum members come up with.
Do not that the JPEG image you provided has a pretty high compression level which limits certain types of processing. I have shown a hue map of you image which gives a feel for the posterizion of hue and saturation component is just as bad. Much better result could be achieved with a much higher quality JPEG (reduced compression) or a link to the original camera image.
That said, here are two images with some adjustments and different crops. Hope you like the variations
Different Crop version
Final image is Hue mapping of your image. Don't worry about the colors yet the JPEG compression saves file space by making the hue and sat in supersized pixels (lower resolution)