First, I suggest you pull down the blacks and lighten the lights for a stronger sketch effect in photos such as this.
The best steps for a controlled making of a color sketch in Photoshop I have encountered in my many years of searching and experimenting, as an artist who would find this tool very handy, is explained here:
https://www.youtube.com/watch?v=CTCX4pMwKAQ. Not quick and dirty, but very effective.
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