Non-PRO English to Japanese Other

Susan takes whatever liberties as she pleases, when she pleases, whipping out the Polaroid on an unsuspecting fly-by-night lover at a motel and pincing a pair of earrings in one fell sweep.

I want you to check and correct my translation.

スーザンは何をやるにも勝手気ままで、気が向けばモーテルの安心しきった一夜限りの恋人をポラロイド写真に収めたり、イヤリングをさっと掠め取ったりもする。