Hi,
 
>I am considering adopting boost MSM library for the statecharts in my project. It looks awesome.
Smile
>The documentation has several graphical representations of the state machines
>
>
>http://www.boost.org/doc/libs/1_57_0/libs/msm/doc/HTML/index.html
>
>They look automatically generated. Are they? If so, what tool was used?
 
 
No, they are not generated but drawn using Enterprise Architect.
 
HTH,
Christophe