To turn ON/OFF the coloring system in Script Editor tap the "Use coloring" switch.
To select a preset to use tap on "Preset" field. In the popped Preset Picker pick a preset you need, then tap on "->" button.
To select a color tap on appropriate field. In the popped Color Picker pick an color you need, then tap on "->" button.
To save and apply changes tap on "Save" button.
* Keep in mind that:
- When coloring is ON, it applies to all Script Editor views.
- Coloring applies to Results view also.
- When coloring is ON all multi-spaces are replaced with single space.
- Coloring is automatically temporary disabled when the currently edited text is larger than 10000 symbols.