Below you will find a growing collection of S graffiti letters in lots of different styles to look through and get inspired from while drawing.
Video-Tutorial: How to draw Graffiti Letter S with Procreate
Key Area of the letter “S” & the concept of “key areas”
There are lines and and areas inside of a letter shape which are crucial for recognizing the letter. These areas are so called “key areas”. They should never be covered by other elements, shapes, serifs or letters. Especially in advanced drawings, which are often very abstract, the letters will still remain recognizable, if you follow this rule. The key areas of the letter “S” are shown in the image to the left.
Source: Graffiti School: A Student Guide and Teacher Manual – by Christoph Ganter *
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