thanks for the comment.
what you'll have to do first is draw a curved shape with the pen tool and fill it with the color of your choice (I often fill it with gradient) then experiment with the blend modes located on top of the layer palette on which works best on your background image.
then add some details like stroked lines (draw path with pen tool and right click stroke the path), scatter brush (set your settings first on brush properties).
you can duplicate shapes, add some gausian blur to give your lines a depth, warp some shapes, change the colors, play with transparency, add some reflections, shadows, gausian blur, and it's all up to your creative mind.
Hope you got my steps