made two circles, filled them with color, put layers on color burn mode, added bevel and emboss
step 2 of 4
with pen tool draw the symbol, added color, put on linear burn mode, added bevel and emboss
step 3 of 4
added two layers, first colored the yellow triangles, soft light mode, added bevel and emboss
second colored orange-brown triangles on multiply mode, added bevel and emboss
step 4 of 4
(there is another outer circle layer made same as the ones before)
added two curves adjustments
to highlight and darken parts of the whole symbole