Start by select brush tool. Enable the default chalk 60 pixels brush settings.
Apply some strokes of this brush in a new layer.
Change brush mode to vivid light.
Apply the strokes with different colors.
From filter menu select sketch>>photocopy.
Press Ctrl+I to invert the colors.
Press Ctrl+U to open hue/saturation window. Apply settings as shown.
Press Ctrl+T. Right click the layer and select warp. Select rise from the preset warp styles at the top bar.
Press Ctrl+T and scale down.
Duplicate layer. Press Ctrl+T. Right click the layer and select flip horizontal. Place as shown in the image.
Duplicate layer. Press Ctrl+T. Right click the layer and select flip vertical. Place as shown in the image.
Select all the layer and duplicate the layers. Press Ctrl+T. Right click the layer and select flip horizontal.
Select and merge all the layers. From filter menu select artistic>>plastic warp. Apply settings as shown.
Press Ctrl+U to open hue/saturation window. Apply settings as shown.
More Tutorials: 
