The Warriors use a gold paint scheme with black accents, the opposite of the regular Otomo.
Per FM:Draconis Combine, page 81.
Other references:
Hatamoto Chi, CB: Miniatures Rules (p 18)
Grasshopper, Trebuchet, Whitworth, Kintaro, CM: Kurita (back cover)
Dragon, CM: Kurita (p 109)
Their symbol is a dragon’s claw spread over a red field similar to the one on the House Kurita crest. Per FM: Draconis Combine, page 81.