Try this expression in the "Expression String Builder", see image below

CASE
   WHEN "id" IN (1,2,3,4,5) THEN 'circle'
   WHEN "id" IN (6,7,8,9,10) THEN 'square'
   ELSE 'triangle'
END

Note: When hovering at each symbol you can see the default name of it.

For colours check this thread Multiple styles in one layer in QGIS.

Try this expression

CASE
   WHEN "id" IN (1,2,3,4,5) THEN 'circle'
   WHEN "id" IN (6,7,8,9,10) THEN 'square'
   ELSE 'triangle'
END

in the "Expression String Builder", see image below

Note: When hovering at each symbol you can see the default name of it.

For colours check this thread Multiple styles in one layer in QGIS.