To do this, go to Tools [Extras] menu -> Settings [Settings...]... -> 3D settings -> Elements tab -> Connection point coordinate system, select the option For all connection points or For active connection points (from V12).
Otherwise, make the setting in the configuration file yourself.
$CADENAS_DEFAULTUSER
resp. $CADENAS_USER,
psolopt.cfg
[Settings3DPane]
;# 0 = all, 1 = none , 2 = highlightesd/selected coordinate axes visible
#!
cpCoordinateSystem=2